Your Jeep Grand Cherokee doesn’t start anymore? Have you tested everything? Battery, alternator, spare keys… And you feel like the problem originates from your immobiliser ? It is certainly plausible, in fact that it is in question if your car doesn’t want to start anymore or stalls when starting for no reason. You want to disable the immobiliser on your Jeep Grand Cherokee ? You are on the good website, we have written this article to support you see more clearly and resolve your concerns connected to this part. First, we will see how the immobiliser functions on your Jeep Grand Cherokee, then the different techniques to disable it.
How your immobiliser system functions on Jeep Grand Cherokee
Before explaining the different choices available to you, here is a short introduction to demonstrate the aim and operation of the immobilizer in your Jeep Grand Cherokee. This electronic element came out 30 years ago and aims to prevent the theft of your Jeep Grand Cherokee. Actually, thanks to a transponder and an antenna (coil) integrated in the key, and, a immobilisation control box integrated in the ECU and a reception antenna on the neiman, your Jeep Grand Cherokee will go each time you put the key in the ignition, it checks that the code emitted by your key is in fact the one asked by your immobilization box. It is only at this moment, that it will let you start. It is thanks to RFID technology (chip in the key) that this system will work.
The different alternatives to bypass the immobiliser on your Jeep Grand Cherokee
Enter the code to turn off the immobiliser
First procedure, your key no longer enables your Jeep Grand Cherokee to start, you want to turn off the immobiliser of your Jeep Grand Cherokee, but first of all you should try this procedure to start it and take it to a garage check that you can not do a less significant operation to bring back the normal start of your automobile. Actually, with your automobile you should have a spare key (which you should try and which should start your Jeep Grand Cherokee), but if you don’t have it you should at least have the “code card”, it contains the start code. Thanks to this code, you will still be able to start your automobile by entering it manually. To do this, turn on the ignition, use your centralized button to enter the digits, several quick presses (example: 2 for digit 2) then a stop of one and a half seconds to validate the digit and resume, repeat the operation until you have entered the full code. This should let you start your Jeep Grand Cherokee without having to remove the immobiliser.
Repair your key at a key specialist or your car dealership
If in spite of a battery change, several attempts to enter the immobiliser code on your Jeep Grand Cherokee still doesn’t want to start, it’s likely your key that’s at issue. We can understand that you still want to bypass the immobiliser system from your Jeep Grand Cherokee. Actually, your transponder must have been damaged or must have fallen off your key. To correct this problem, only option, go to a key specialist (also available on the internet) or, at your dealer who can restore your Jeep Grand Cherokee key. Determined by who you go to the repair should cost you about 100 euros if you still have a copy or your “code card” and about 350 euros at your dealer if you have no support and you want a new functional key, it will avoid you having to remove the immobilizer from your Jeep Grand Cherokee.
Manually remove your immobilizer
Although you may be tempted to bypass the immobilizer from your Jeep Grand Cherokee, this is not advised at all for several reasons. First your Jeep Grand Cherokee would be much more vulnerable to theft attempts. Actually, without an immobiliser box, simply doing “the wires” may be enough to start it. Furthermore to that, your insurance, in case of theft most likely won’t refund you if it knows that the immobiliser on your Jeep Grand Cherokee has been removed, bypassed or deactivated. This if you still want to do it, some internet pages still give the method, we have made the choice not to disclose it, because it could help people with bad intentions.
If you wish more guides on the Jeep Grand Cherokee, go to our Jeep Grand Cherokee category.
